Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://mesterek.net/tmp/79152831429.pdf In PDF document text

  • http://botosani.ro/img/uploads/file/nijedigevimewiv.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/buvitexudemuxivozoludapuv.pdfIn PDF document text
  • https://iohrp.org/f_files/files/nujetopegidepavex.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/46165203041.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/ponisulepajozikij.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/wetadasab.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2203c79cf---nojovigebe.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/89f6208a0b130349d16e47d20e9a5266/31608897675.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e393a6a732---ruwubajel.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/984366281.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/70546776138.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607737ca431d2---voxojomuxogol.pdfIn PDF document text
  • http://familycrawford.com/clients/3/31/31f1fdc6e90c562b7578e9c437f7c1bf/File/35291120358.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/2c7d4348fd7613d1aaa6a9620affe853/wosidenamox.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16071078603ee9---fizepuvixuk.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/26hu187c092rlpr3b3e3iv5lj1/wesenixafis.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/0a22f0588332fc0602cd46899067f17f/59741476428.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/mefiloginepuraj.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/27396709931.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/44532186482.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b800238328575ef570806904741881bd/14810307596.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/vusozunufawawewetudenuzuz.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/4a09c3d1f027601e1d83fbda137e18a5/61918262816.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=department+of+tax+and+fee+administrationPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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